import axios from 'axios';
import qs from 'qs';
import { VALID_LOGIN } from '_config/url'
import context from '../main.js'
import router from '../router'


axios.defaults.timeout = 20000;
axios.defaults.baseURL ='';
axios.defaults.withCredentials=true;


//http request 拦截器
// axios.interceptors.request.use(
//   config => {
//     // const token = getCookie('名称');注意使用的时候需要引入cookie方法，推荐js-cookie
//     // config.data = JSON.stringify(config.data);
//     // config.data = qs.stringify(config.data)
//     config.headers = {
//       // "Content-Type":"application/json;charset=utf-8",
//       "Content-Type":"application/x-www-form-urlencoded; charset=UTF-8",
//     // }
//     // if(token){
//     //   config.params = {'token':token}
//     }
//     return config;
//   },
//   error => {
//     return Promise.reject(err);
//   }
// );

let errorFlag = true;
//http response 拦截器
axios.interceptors.response.use(
  response => {
    // if(response.data.errCode == 2){
    //   router.push({
    //     path:"/login",
    //     querry:{redirect:router.currentRoute.fullPath}//从哪个页面跳转
    //   })
    // }
    return response;
  },
  error => {
    let status = error.response.status 
    if(status == 403 || status == 401){
      if(errorFlag){
        postsso(VALID_LOGIN)
          .then( data => {
            if(data.status == 1 || data.status == '1'){
              context.$message({
                  type: 'info',
                  message: '您没有当前菜单的访问权限，请联系管理员！'
              });
            }else if(data.status == -1 || data.status == '-1'){
              context.$message({
                  type: 'error',
                  message: '您已掉线，请先登录！'
              });
              localStorage.clear();
              selectPlate()
              router.push('/login')
            }
          })
          .catch(err=>{
            console.log(err)
            context.$message({
              type: 'error',
              message: err.response.data.msg
          });
          })
        errorFlag = false
      }
    }
    return Promise.reject(error)
  }
)

//退出到首页
function selectPlate(){
  let a = document.createElement('a')
  a.href = location.protocol + '//'+location.host
  a.click()
}
/**
 * 封装get方法
 * @param url
 * @param data
 * @returns {Promise}
 */

export function fetch(url,params={}){
  return new Promise((resolve,reject) => {
    axios.get(url,{
      params:params
    })
    .then(response => {
      resolve(response.data);
    })
    .catch(err => {
      reject(err)
    })
  })
}


/**
 * 封装post请求
 * @param url
 * @param data
 * @returns {Promise}
 */

 export function postsso(url,data = {}){
   return new Promise((resolve,reject) => {
     axios.post(url,
      qs.stringify(data),{
        headers:{
          "Content-Type":"application/x-www-form-urlencoded; charset=UTF-8"
        }
      }
          )
          .then(response => {
            resolve(response.data);
          },err => {
            reject(err)
          })
   })
 }

 /**
 * 封装patch请求
 * @param url
 * @param data
 * @returns {Promise}
 */

export function patch(url,data = {}){
  return new Promise((resolve,reject) => {
    axios.patch(url,data)
         .then(response => {
           resolve(response.data);
         },err => {
           reject(err)
         })
  })
}

 /**
 * 封装put请求
 * @param url
 * @param data
 * @returns {Promise}
 */

export function put(url,data = {}){
  return new Promise((resolve,reject) => {
    axios.put(url,data)
         .then(response => {
           resolve(response.data);
         },err => {
           reject(err)
         })
  })
}